On this page:
Notes
- PDF accessibility relies on the source document being accessible. Before you save your document as a PDF, ensure your source document is accessible. Guidance on accessibilty for the two most common formats (MS Word and PowerPoint) are available below.
- WebAim offers a Document Accessibility Course opens a new website that covers Word, PowerPoint, and PDF (Acrobat) documents.
- Guidance on many of these requirements are available on the Content page and the Media & Graphics page.
- A self-paced training option on document accessibility can be found at the Department of Homeland Security website.
PDFs
- When using a document as the source of the PDF, make sure the source document is accessible before saving it as a PDF.
- Do not use a scanned image as a source (text must be searcheable).
- Save the file with a descriptive filename
- If creating from a blank document:
- Use accessible fonts that allow text extraction.
- Use built-in features to create lists, organize content, and layout/data tables.
- Use Built-in heading styles instead of fonts.
- Use sufficient color contrast.
- Don’t rely solely on color to convey information.
- Text boxes must be “in line with text”
- Add alternative text to images and other objects (for example, icons)
- Use unique, descriptive link text o Identify languages used
- Check if embedded audio, video, and multimedia files have accurate captions
Important: Run the built-in Accessibility Checker before distributing.
Resources
- Create and verify PDF accessibility (Acrobat Pro) opens a new website (Adobe)
- How to Test and Remediate PDFs for Accessibility opens a new website - Video Training Series (Section508.gov
- PDF Accessibility opens a new website (WebAIM)
- CommonLook PDF Validator opens a new website (for-fee)
- Review of CommonLook PDF Plug-in opens a new website (WebAIM)
MS Word
- Save the file with a descriptive filename
- Use accessible fonts. These include:
- Arial
- Helvetica
- Tahoma
- Calibri
- Georgia
- Use built-in features to create lists, tables, and columns, and other layout options.
- Use built-in heading styles instead of fonts.
- Use sufficient color contrast.
- Don’t rely solely on color to convey information
- Text boxes must be “in line with text”
- Add alternative text to images
- Use unique, descriptive link text
- Identify languages used
Important:
- Run the built-in Accessibility Checker before distributing or saving as a pdf.
- To save document as an accessible pdf:
- click on "save as"
- click on the accessibility checkbox opens a new website
Resources
- Make your Word Documents Accessible to People with Disabilities opens a new website (Microsoft)
- Improve accessibility with the Accessibility Checker opens a new website (Microsoft)
- Make an Accessible Document in Microsoft Word opens a new website - Video Training Series (Section508.gov)
- Microsoft Word: Creating Accessible Documents opens a new website (WebAIM)
PowerPoint
- Save the file with a descriptive filename.
- Choose an appropriate layout design/template and establish the reading order.
- Use built-in features to create lists, tables, and columns.
- Use sufficient color contrast.
- Don’t rely solely on color to convey information.
- Add alternative text to images and other objects (for example, icons).
- Use unique, descriptive link text.
- Identify languages used.
- Check if embedded audio, video, and multimedia files have accurate captions.
Important:
- Run the built-in Accessibility Checker before distributing or saving as a pdf.
- To save document as an accessible pdf:
- click on "save as"
- click on the accessibility checkbox opens a new website
Resources
- Make your PowerPoint presentations accessible to people with disabilities opens a new website (Microsoft)
- Improve accessibility with the Accessibility Checker opens a new website (Microsoft)
- Creating Accessible PowerPoint Templates opens a new website - Video Training Series (Section508.gov)
- PowerPoint Accessibility opens a new website (WebAIM)
Excel
- Save the file with a descriptive filename
- Use built-in features to organize content and ensure correct reading order.
- Don’t rely solely on color to convey information.
- Avoid blank rows, columns, and sheets in an Excel workbook.
- Intentionally blank cells must be marked as such, for example with "No Data."
- Avoid using hidden or frozen rows and columns. If used, the must be accompanied by an alert.
- Do not leave Cell A1 blank:
- Use to provide orienting information such as worksheet or workbook summaries and the number of sheets present, or the title of a table that begins directly below it.
- Use the first sheet of a multi-sheet workbook as an index sheet with hyperlinks to the other sheets.
- Headers and footers must not contain vital information.
- Text Visibility:
- Use an accessible font at a minimum 11 point size.
- Symbols and special characters must also be communicated in plain text.
- All text within cells should be readily visible on screen without having to adjust cell height or width.
- Text should not overflow from cells.
- Data Filters: If data filters are used, the user mest be alerted in the body of the document.
- Macros:
- Give each macro a clear, succinct, and meaningful name that is indicative of its function.
- Include a clear and complete description of what it does.
- Assign a keyboard shortcut to each macro (must not be the same name as an existing default shortcut).
- Alert users within the body of the Excel document that macros are present, their number, and the name, description, and keyboard shortcut for each macro
- Inserted Equations and Formulas: If a formula or equation is inserted as a floating object, it must be supplemented with a plain text alternative without symbols, within the cell layer of Excel.
- Math in the Cell Layer:
- Avoid mathematical expressions in the cell layer of Excel.
- If used, they must be supplemented by a plain-text-no-symbol alternative (also placed in the cell layer).
- Excel Functions should be accompanied by the text name and abbreviation of the function used, placed adjacent to and above the cell containing the value Output.
- Graphs and Charts:
- Fully label graphs and charts including as applicable: title, legend, axis labels, and data labels.
- Do not rely on color as the sole means of communicating information.
- Include a complete description in plain text form, placed directly in a cell rather than in the Alt Text section.
- Images:
- Meaningful images must be accompanied by a text alternative placed directly in a cell, as opposed to in the customary Alt Text section.
- Decorative images should not be accompanied by a text alternative.
- Word Art, SmartArt, Text Boxes, and Other Floating Objects:
- If these contain vital information, the information must also be available in a text alternative placed in the cell layer.
- Do not use background images and watermarks.
- Embedded Files:
- Include on a separate worksheet.
- Alert users that embedded files are present.
- Include clear text instructions on how to open the files and how a user can return to the cell layer.
- Include an explanatory summary including type of file and contents.
- Multimedia
- Video and Audio:
- Videos with dialogue must contain complete captions and a full transcript.
- Videos without dialogue must contain a text description.
- Audio-only elements must include a full transcript.
- If video/audio is embedded as an object, the rules for embedded files must be followed.
- Media controls for a multimedia element must be fully keyboard accessible.
- Flashing Content:
- Do not use content that flashes more than three times per second, unless:
- the flashing content is sufficiently small
- the flashes are of low contrast and do not exceed general flash thresholds or red flash thresholds.
- Do not use content that flashes more than three times per second, unless:
- Video and Audio:
Resources
- Accessibility best practices with Excel spreadsheets opens a new website (Microsoft)
- Accessibility tools for Excel opens a new website (Microsoft)
- How to Author and Test Microsoft Excel Worksheets for Accessibility opens a new website - Video Training Series (Section508.gov)
- Microsoft Excel - Optimizing Spreadsheet Accessibility opens a new website (WebAIM)